The work function of cesium is 2.14 eV. Find (a) the threshold frequency for cesium, and (b) the...

Question From - NCERT Physics Class 12 Chapter 11 Question - 002 DUAL NATURE OF RADIATION AND MATTER CBSE, RBSE, UP, MP, BIHAR BOARD
QUESTION TEXT:-
The work function of cesium is 2.14 eV. Find (a) the threshold frequency for cesium, and (b) the wavelength of the incident light if the photo current is brought to zero by a stopping potential 0.60 V. Given `h=6.63xx10^(-34)Js`.
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